Joe Helps

Name	Joe Helps
Job title	Postdoctoral Research Scientist - Modelling
Email address	joe.helps@rothamsted.ac.uk
Department	Net Zero and Resilient Farming
Research cluster	BCP: Pesticide Resistance
ORCID	https://orcid.org/0000-0002-2720-5538
Office	Harpenden

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Research outputs

Validating a cassava production spatial disaggregation model in sub-Saharan Africa

Hassall, K. L., Alonso Chavez, V., Sint, H. M., Helps, J., Abidrabo, P., Okao-Okuja, G., Eboulem, R. G., Amoakon, W. J., Otron, D. H. and Szyniszewska, A. 2024. Validating a cassava production spatial disaggregation model in sub-Saharan Africa. PLOS ONE. https://doi.org/10.1371/journal.pone.0312734

The basic-reproduction number of infectious diseases in spatially structured host populations

Van den Bosch, F., Helps, J. and Cunniffe, N. 2024. The basic-reproduction number of infectious diseases in spatially structured host populations. Oikos. p. e10616. https://doi.org/10.1111/oik.10616

A framework for evaluating the value of agricultural pest management decision support systems

Helps, J., Van den Bosch, F., Paveley, N., Jorgensen, L. N., Holst, N. and Milne, A. E. 2024. A framework for evaluating the value of agricultural pest management decision support systems. European Journal of Plant Pathology. https://doi.org/10.1007/s10658-024-02878-1

Do Growers Using Solo Fungicides Affect the Durability of Disease Control of Growers Using Mixtures and Alternations? The Case of Spot-Form Net Blotch in Western Australia

Helps, J., Lopez-Ruiz, F., Zerihun, A. and Van Den Bosch, F. 2024. Do Growers Using Solo Fungicides Affect the Durability of Disease Control of Growers Using Mixtures and Alternations? The Case of Spot-Form Net Blotch in Western Australia. Phytopathology. 114 (3), pp. 590-602. https://doi.org/10.1094/PHYTO-02-23-0050-R

Defining Integrated Weed Management: A Novel Conceptual Framework for Models

Storkey, J., Helps, J., Hull, R. I., Milne, A. E. and Metcalfe, H. 2021. Defining Integrated Weed Management: A Novel Conceptual Framework for Models. Agronomy. 11 (4), p. 747. https://doi.org/10.3390/agronomy11040747

Modelling lifestyle changes in Insect endosymbionts, from insect mutualist to plant pathogen

Manning-Smith, R., Alonso Chavez, V., Helps, J., Shaw, M. W. and Van Den Bosch, F. 2020. Modelling lifestyle changes in Insect endosymbionts, from insect mutualist to plant pathogen. Evolutionary Ecology. 34, p. 867–891. https://doi.org/10.1007/s10682-020-10071-z

Determinants of optimal insecticide resistance management strategies

Helps, J. C., Paveley, N. D., White, S. and Van Den Bosch, F. 2020. Determinants of optimal insecticide resistance management strategies. Journal of Theoretical Biology. 503, p. 110383. https://doi.org/10.1016/j.jtbi.2020.110383

Identifying when it is financially beneficial to increase or decrease fungicide dose as resistance develops: An evaluation from long‐term field experiments

Van Den Bosch, F., Blake, J., Gosling, P., Helps, J. C. and Paveley, N. 2020. Identifying when it is financially beneficial to increase or decrease fungicide dose as resistance develops: An evaluation from long‐term field experiments. Plant Pathology. 69 (4), pp. 631-641. https://doi.org/10.1111/ppa.13155

Stress and sexual reproduction affect the dynamics of the wheat pathogen effector AvrStb6 and strobilurin resistance

Kema, G. H. J., Mirzadi Gohari, A., Aouini, L., Gibriel, H. A. Y., Ware, S. B., Van Den Bosch, F., Manning-Smith, R., Alonso Chavez, V., Helps, J., Ben M’Barek, S., Mehrabi, R., Diaz-Trujillo, C., Zamani, E., Schouten, H. J., Van Der Lee, T. A. J., Waalwijk, C., de Waard, M. A., de Wit, P. J. G. M., Verstappen, E. C. P., Thomma, B. P. H. J., Meijer, H. J. G. and Seidl, M.l F. 2018. Stress and sexual reproduction affect the dynamics of the wheat pathogen effector AvrStb6 and strobilurin resistance. Nature Genetics. 50 (3), pp. 375-380. https://doi.org/10.1038/s41588-018-0052-9

Identifying when it is financially beneficial to increase or decrease fungicide dose as resistance develops

Van Den Bosch, F., Lopez-Ruiz, F., Oliver, R., Paveley, N., Helps, J. and Van Den Berg, F. 2018. Identifying when it is financially beneficial to increase or decrease fungicide dose as resistance develops. Plant Pathology. 67 (3), pp. 549-560. https://doi.org/10.1111/ppa.12787

Extending the durability of cultivar resistance by limiting epidemic growth rates

Carolan, K., Helps, J., Van Den Berg, F., Bain, R., Paveley, N. and Van Den Bosch, F. 2017. Extending the durability of cultivar resistance by limiting epidemic growth rates. Proceedings of the Royal Society B: Biological Sciences. 284 (1863), pp. 1-8. https://doi.org/10.1098/rspb.2017.0828

Identifying circumstances under which high insecticide dose increases or decreases resistance selection

Helps, J., Paveley, N. D. and Van Den Bosch, F. 2017. Identifying circumstances under which high insecticide dose increases or decreases resistance selection. Journal of Theoretical Biology. 428 (7 September), pp. 153-167. https://doi.org/10.1016/j.jtbi.2017.06.007

The evolution of fungicide resistance resulting from combinations of foliar-acting systemic seed treatments and foliar-applied fungicides: a modeling analysis

Kitchen, J. L., Van Den Bosch, F., Paveley, N. D., Helps, J. and Van Den Berg, F. 2016. The evolution of fungicide resistance resulting from combinations of foliar-acting systemic seed treatments and foliar-applied fungicides: a modeling analysis. PLOS ONE. 11 (8), p. e0161887. https://doi.org/10.1371/journal.pone.0161887